Forum: Engine Tech

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Merc 420 Cyclone engines

Started by BDC1013, 06-29-2011 06:57 PM
18 Pages
1 2 3 4 5 ... 18
Replies: 357
Views: 102,393
04-05-2021, 01:14 PM Go to last post

mefi 4 adx file

Started by ntmid8r, 04-05-2017 12:40 PM
Replies: 5
Views: 13,667
04-27-2018, 07:51 AM Go to last post

Mercruiser 540ci 575hp

Started by SickSation, 08-13-2010 09:25 PM
2 Pages
1 2
Replies: 32
Views: 31,892
09-08-2017, 11:38 PM Go to last post

502 MPI on a Blackhawk

Started by FarPoint, 07-26-2017 03:30 PM
Replies: 13
Views: 4,831
08-24-2017, 03:42 PM Go to last post

oil coolers

Started by formulator, 02-14-2017 07:45 PM
Replies: 11
Views: 5,428
03-13-2017, 11:15 PM Go to last post

Anyone have oem MEFI1-4 tunes for 502MPI?

Started by GrannySShifting, 08-08-2016 11:34 PM
Replies: 7
Views: 4,377
08-12-2016, 10:19 AM Go to last post

Holley HP EFI

Started by Rage, 06-28-2016 08:17 AM
Replies: 4
Views: 4,233
06-30-2016, 10:01 AM Go to last post
Replies: 7
Views: 5,894
06-23-2016, 09:48 AM Go to last post

Yamaha outboard, replacement powerhead options?

Started by inbetween, 03-22-2016 10:03 PM
Replies: 13
Views: 7,532
04-12-2016, 07:09 PM Go to last post

Re build 502mpi or crate engine

Started by 236eagle, 09-22-2015 06:12 PM
Replies: 2
Views: 4,194
09-23-2015, 07:05 AM Go to last post

BIN file uploads

Started by Oregondunes, 07-07-2013 10:16 PM
Replies: 1
Views: 5,569
08-31-2014, 01:02 PM Go to last post

Engine / Camshaft Guys !!!

Started by 1stoutlaw, 05-05-2014 04:31 PM
Replies: 5
Views: 4,603
07-10-2014, 10:06 AM Go to last post

Help! Shift linkage

Started by old377guy, 06-06-2014 07:41 PM
Replies: 16
Views: 6,046
06-19-2014, 08:56 AM Go to last post

Power steering pump pulley

Started by old377guy, 03-31-2014 08:16 PM
Replies: 7
Views: 4,007
04-11-2014, 12:00 PM Go to last post

Rusted Exhaust Pipe

Started by Poolman, 01-05-2014 10:55 AM
6 Pages
1 2 3 4 5 ... 6
Replies: 103
Views: 31,084
04-10-2014, 08:41 AM Go to last post

Race Tec Pistons

Started by Donskihp, 03-23-2014 10:37 PM
Replies: 1
Views: 2,996
03-24-2014, 10:36 PM Go to last post

Brand New Engine Backfires !!!

Started by 1stoutlaw, 09-26-2013 05:18 PM
Replies: 11
Views: 6,149
11-16-2013, 05:54 PM Go to last post

Oil Temp ???

Started by 1stoutlaw, 01-24-2013 07:10 PM
Replies: 14
Views: 7,225
09-27-2013, 05:25 PM Go to last post

Steam relief

Started by old377guy, 08-25-2013 11:56 AM
Replies: 12
Views: 6,358
09-20-2013, 05:35 PM Go to last post

Crankcase blowby

Started by old377guy, 08-08-2013 08:37 PM
Replies: 3
Views: 4,304
08-09-2013, 09:49 AM Go to last post

502MPI side mount Whipple manual

Started by Tomas Wallin, 09-30-2010 03:22 AM
Replies: 4
Views: 4,564
07-07-2013, 10:14 PM Go to last post

Oil leak

Started by splashandburn, 06-03-2013 10:03 AM
Replies: 17
Views: 6,186
07-04-2013, 09:20 AM Go to last post

Spark Plugs

Started by clayinaustin, 07-01-2013 01:28 PM
Replies: 14
Views: 5,536
07-01-2013, 07:33 PM Go to last post

Oil pressure 502mag, 433 hours

Started by Controlled Burn420, 06-24-2013 09:09 PM
Replies: 7
Views: 4,624
06-26-2013, 09:07 PM Go to last post
Replies: 8
Views: 4,809
06-25-2013, 08:56 PM Go to last post
Replies: 14
Views: 6,351
06-16-2013, 01:01 PM Go to last post

Engine vibration

Started by 1stoutlaw, 05-22-2013 01:33 PM
Replies: 8
Views: 4,836
05-24-2013, 07:20 PM Go to last post

Help with 383 MPI

Started by boatnuts, 08-16-2010 11:15 AM
Replies: 17
Views: 7,258
05-23-2013, 07:04 PM Go to last post

Take a THRILLING RIDE with SEVEN Marine's 557s!

Started by dmartiniup, 05-20-2013 04:32 PM
Replies: 1
Views: 3,687
05-20-2013, 09:00 PM Go to last post

fuel problem ???

Started by 1stoutlaw, 12-24-2012 01:07 PM
Replies: 15
Views: 7,092
01-30-2013, 12:30 PM Go to last post
 

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